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Biochemistry

Biochemistry is the study of the structure, composition and chemical processes in all living organisms. It covers the structures and functions of various cellular components, including proteins, carbohydrates, nucleic acids, lipids, and other biomolecules.

8,065 Questions

What is the isotonic sucrose solution of an egg- would please kindly mention the source?

In order to change the mass of an egg in a scientific experiment, the isotonic solution of an egg would need to be about 10-20% or just enough to cover the eggs. You can use syrup as a source of sucrose. This information was sourced from the Biology Junction website.

What typed of bond is formed between amino acids?

A peptide bond is the covalent bond formed between amino acids. This pepetide bond is the primary linkage between protein structures

What enzymes are in the mouth?

The saliva in mouth has following enzymes:

salivary amylase or ptyalin (breaks down carbahydrates)

lingual lipase (enzyme for fats digestion)

lysozyme (enzyme that kills bacterial cell)

salivary ribonuclease (RNase)

Deoxyribonuclease (DNase)

How does temperature help control enzymes?

Proteins change shape as temperatures change. Because so much of an enzyme's activity is based on its shape, temperature changes can mess up the process and the enzyme won't work. High enough temperatures will cause the enzyme to denature and have its structure start to break up.

What is made during initiation of protein synthesis?

During initiation phase of protein synthesis , most important thing formed is initiation complex .

What is iron enzyme?

Redox cytochromes and the P450 class of detoxifying cytochrome are enzymes which contains iron.
few other classic examples are: Haemoglobin (carries O2 and CO2), Ferritin protein (stores ferrous).

What is posting bond?

Generally it is for assurance you will appear in court or what ever the case is a bond is generally a promise of appearance or promise of purchase etc. if you fail to appear or conform to your promise you lose or forfeit your bond..

Are prokaryotes different from eukaryotes?

Yes, prokaryotes are organisms that lack a cell nucleus and other membrane-bound organelles, whereas eukaryotes have a true nucleus and membrane-bound organelles. Prokaryotes are usually single-celled organisms like bacteria, while eukaryotes can be single-celled (like some protists) or multicellular (like plants, animals, and fungi).

How does metabolism relate to enzymes?

Metabolism refers to all the chemical reactions that occur in the body to sustain life. Enzymes are biological molecules that speed up these chemical reactions by acting as catalysts. Essentially, enzymes help regulate and facilitate the metabolic processes in the body by increasing the rate at which reactions occur.

Somatic Cell nuclear transfer was the method used to create what?

Somatic cell nuclear transfer was the method used to create the cloned sheep named Dolly in 1996. This technique involves transferring the nucleus of a somatic cell into an egg cell that has had its nucleus removed, resulting in the creation of a genetically identical organism.

Does caffeine has the effect of stimulating the cardiovascular response?

Yes. Caffeine has the same effect has epinephrine. The stress hormone stimulates the production of cyclic APM within cells, which is the cellular messenger signaling the cell what to do in response to the hormone. Caffeine has the same effect by inhibiting the breakdown of cAPM, hence causing it to be around longer and therefore influencing what the cell is to do longer.

Facts and trivia about food and nutrition?

  1. Bananas are a good source of potassium, which is important for muscle function and fluid balance in the body.
  2. Quinoa is a complete protein, meaning it contains all nine essential amino acids.
  3. Spinach is high in iron, important for oxygen transport in the body.
  4. Chia seeds are rich in omega-3 fatty acids, which are beneficial for heart health.

How can an enzyme be denatured and why does that process result in the loss of activity of the enzyme?

Enzymes can be denatured by exposure to high temperatures, extreme pH levels, or certain chemicals. This process disrupts the enzyme's tertiary or quaternary structure, leading to the loss of its active conformation. Without its proper three-dimensional shape, the enzyme cannot effectively bind to its substrate, thereby losing its catalytic activity.

Can a Vitamin B12 deficiency be connected to something serious like leukemia?

A Vitamin B12 deficiency is not directly linked to leukemia. Leukemia is a type of cancer that affects blood cells and is caused by genetic mutations, while vitamin B12 deficiency usually results from dietary factors or malabsorption issues. However, some symptoms of Vitamin B12 deficiency, such as anemia, fatigue, and weakness, may overlap with symptoms of leukemia, so it is important to consult a healthcare professional for proper evaluation and diagnosis.

Is oxygen used in starch?

No, oxygen is not used in the process of forming starch molecules. Starch is primarily made up of carbon, hydrogen, and oxygen atoms but the creation of starch does not involve the direct use of oxygen.

What are the functions of vitamin A?

Vitamin A plays a crucial role in maintaining healthy vision, supporting the immune system, and promoting cell growth and differentiation. It also helps in maintaining healthy skin and mucous membranes.

What is the relationship between asparagine and glutamine?

Asparagine and glutamine share some characteristics, i.e., they are nonessential polar and uncharged amino acids. The most important feature that they share is in the asparagine synthesis. Asparagine comes from the aspartate as substrate of the asparagine synthetase enzyme that incorporates an glutamine molecule to provide an amino group to the substrate, leaving glutamate from the reaction, and in presence of ATP as energetic group.

Why is phosphorus important to living organisms?

Phosphorus is an element of ATP, the energy molecule of living organisms, hence it is important in metabolic activities. Phosphorous is also a component of nucleic acids.

How do the processes of photosynthesis and respiration help recycle the air?

It is because plants breathe and live on a little bit of carbon dioxide, which humans and animals breathe out, and cannot survive on. So when the plants take in carbon dioxide they then let go of oxygen which is what we breathe.

So that leads us on to the fact that during photosynthesis plants need a lot of carbon dioxide which then is changed into oxygen. We then take in oxygen and give them carbon dioxide, and it repeats over and over again.

How would blocking of the electron transport chain affect a plant?

Electrons become diverted from the transport chain, releasing excess energy into the cell and destroying cell membranes. Another herbicide action is creation of superoxide radical which is highly reactive.

How do radiations denature proteins?

The simplest way radiation denatures protein is by cooking it. Microwaves, UV, Infrared are the best examples.

Why is the Taj Mahal a great Indian monument yellow?

Taj Mahal is made from white marble. Pollution is affecting the earth all over. The Taj Mahal is vulnerable to pollution, being made from calcium carbonate stones.